Complex tumors can present formidable technical challenges in their resection. The nuances of tackling such lesions using microsurgical skull base and mapping strategies are described in this Atlas.

Aneurysm management continues to be contentious. The tenets for microsurgical clip ligation are described in detail in the Cerebrovascular Volume. Surgical videos and special illustrations are utilized to depict specific operative maneuvers.

Arteriovenous malformations are the most daunting lesions the neurosurgeon encounters. The nuances of technique for complication avoidance and management for resection of these lesions will be discussed.